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G. W. A. WIESING.

MOLD FOR THE MANUFACTURE OF GHILLED GAR WHEELS AND SIMILAR GASTINGS.

No. 303,773. Patented Aug. 19, 1884.

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ihvrTn STATES PATENT rice.

GEORGE XVILHELM AUGUST TVIESING, OF LIME- RQGK, CONN., ASSIGNOP OF ".LWVOTHIRDS TO PHINEAS E. MERRIHEXV, OF FAIRHAVEN, MASS.

iilGLl) FOR THE MANUFACTURE OF CHlLLED CAR-WHEELS AND SllVllLAR CASTlNGS.

EJFECIEICATION forming part of Letters Patent No. 303,773, dated August 19, 188%. Application filed November 12, 1883. (No nrodel.)

In all whom it may concern; thus cause a more uniform chill on the wheel Be it known that I, GEORGE XV. A. \VIEsthan in molds in which the metal is conducted 1NG, of Lime Rock, in the county of Litchficld first to the central portion and flows outwardly and State of Connecticut, have invented ccrtherefrom. The reason of the increased unitain Improvements in Molds for the Manufaeformity is found in the fact that the melted lure of Chilled Gar-Wheels and Similar Gastiron is kept closer to the chill, so that the pressings, of which the following is a specification. ure is made equal. in all parts, and a castingls This invention has for its object to provide produced which is free from all the defects improved molds for the production of chilled above named. The sprucs Jare inclined out- 6c 10 car-wheels and similar castings, whereby ehill wardly to give the inflowing metal the proper cracks, side cheeks, shrinkage in the throat, direction and cause it to properly fill the spotting or shelling, honey-combing, and other spokes and rim of the wheel. The upward exdefccts which occur on the chilled surl'aces and tension of these sprucs at a: .r is above the up at other portions of chilled castings are preper end of sprucs J, and these upward cXtcnvented. sions supply, in a measure, a head to pro- The invention consists in a mold for a carduce aprcssure on the casting at the rim. The wheel or analogous casting, substantially as lower portions of the sprucs are round and tahcrcina ftcr described and claimed. pering, or decrease in diameter gradually from Of the accompanying drawings, forming a their upper to their lower ends. The upper 20 part of this specification, Figure 1 represents portions of the sprucs are enlarged and cupa transverse vertical central section of amold shaped. The enlarged port-ions of the sprucs embodying my invention. Fig. 2 represents retain the cinder or slag, which is prevented by a top view of the same. the contracted portions from entering the mold,

The same letters of reference indicate the so that the casting will be free from such 25 same parts in all the figures. matter.

In the drawings, A represents the chill for L L represent cores arranged between the the tread of the wheel. head H and the outer sprucs, J. The metal 0 represents the cope for the upper sand flowing outwardly to said sprucs passes mold, which is secured to the chill in the usual through the gates O in the lower portions of 8o 0 manner. said cores.

13 represents the nowel on which the chill N N represent gates formed in the cores L rests. above the gates O, to permit the passage of the D I) represent the clamps which seen re the metal to the outer sprucs, J, in case the gates above-named parts together. 0 become filled with cinder or slag, the metal 3 5 H represents the head or reservoir which rising inside the cores L in this event to the first receives the molten iron. Under the head gates N. I H is the spruecore G, having its upper surface It is obvious that my improved arrangement hollowed to form a bowl, 1, into which the of sprucs may be employed in molds for cast molten metal flows from the head H. ()ver ing other articles besides ear-wheels, particuo 40 the bowl I is a dome or core, M. larly such articles as require a considerable E and F represent the cores used in casting quantity ofnnetal to form marginal parts at a a car-wheel of the form shown, and K K repconsiderable distance from the center. resentthe mold for the wheel. I claim- J 3 represent the sprucs, which are arranged 1. In a mold for wheels, the combination of 5 5 in two seriesviz., the inner series, J, which the nowel, the cope having sprucs near its cenconduct the metal to the central portion, and ter leading to the hub and sprucs near its pcthe series J, which conduct the metal to the riphery leading to the rim outside the spokes rim or outer portion of the wheel. The proof the wheel, and a central reservoir or head vision of these outer sprucs, J, constitutes an arranged, as described, to supply molten metal 50 important part of my invention. Said sprucs to all thesprues, substantially as set forth.

conduct the metal directly to the chill, and 2. The eentralreservoir or head, the core arthe cope, of a dome or core (as per and lower passages or gates leading to sprues which connect with the wheel-rim.

4. The combination, in awheel-mold, of the central reservoir, the bowl under said reser voir, and the cope having sprues leading from said bowl to the wheel-hub, and passages leading to external sprues, which communicate with the wheel-rim, said last-mentioned sprues being enlarged at their upper ends, and eX- tending above the central sprues, all substantially as shown and set forth.

In testimony whereof I have signed my name to this specification, in. the presence of two subscribing witnesses, this 6th day of N ovem- 25 her, A. D. 1883. .i

GEORGE WILIIELM AUGUST WIESING. WVit-nesses:

ALMoN C. RANDALL, GEORGE F. \VIESING. 

